[Healeys] 100 Draft tube

[Michael Salter]

Bernoulli would have been proud of you. 👍👍

M

On Thu., Apr. 29, 2021, 9:05 a.m. healeyguy--- via Healeys, <
healeys at autox.team.net> wrote:

> Listers
> I attempted to add a 7 second video of a demonstration of how a draft tube
> works but it was rejected on the list.  Probably file size.  Anyway wanted
> to show the effectiveness of a draft tube in operation.
> Had my shop fan blowing parallel with the floor (car in motion), a empty
> paper towel tube and a strip of Kleenex tissue.  Cut one end of the tube at
> an angle, about 30 degrees. Held the tissue paper over the upper square end
> of the tube and slowly lowered the angle cut end vertically  into the fan
> wash, Only had to lower the tube less that 2 inches  and the tissue was
> sucked down the tube.  The engineers way back when knew what they were
> doing with regard to ventilating the engine in a very simple but not very
> environmental way.
> As Mr Dylan once said. "Ah, but I was so much older then, I'm younger than
> that now..."  :)
> P
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